Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
214 PM CST Tue Dec 9 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-102015-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
214 PM CST Tue Dec 9 2025 /314 PM EST Tue Dec 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Ice Accumulation Risk.
DISCUSSION...
A brief period of light freezing rain may result in slippery
travel conditions this evening, mainly in areas north of a
Rochelle to Waukegan line.
Southwest winds may gust as high as 40 mph this evening then
turn westerly overnight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Limited Snow Risk.
Thursday...
Elevated Snow Risk.
Saturday...
Elevated Excessive Cold Risk.
Elevated Snow Risk.
Sunday...
Elevated Excessive Cold Risk.
Monday...
Limited Excessive Cold Risk.
DISCUSSION...
Wind-whipped snow may lead to hazardous travel Wednesday morning.
Accumulating snow is expected Thursday night into early Friday
morning and again Saturday into Saturday night.
Bitterly cold wind chills as low as 25 below zero are possible
Saturday night into Sunday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
214 PM CST Tue Dec 9 2025
LMZ740>745-102015-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
214 PM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Gale force winds and or very hazardous waves.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Gale force winds and very hazardous waves.
Thursday...
Hazardous conditions for small craft are likely.
Friday Night...
Hazardous conditions for small craft are likely.
Elevated Freezing Spray Risk.
Saturday and Sunday...
Hazardous conditions for small craft are likely.
$$
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
311 PM CST Tue Dec 9 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-102115-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
311 PM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...THIS AFTERNOON AND TONIGHT
A Winter Weather Advisory remains in effect for this evening
mainly along and north of a line from Cedar Rapids to Mount
Carroll as a period of light freezing rain may lead to slippery
travel conditions for the evening commute.
Scattered snow showers will likely accompany a cold front
overnight through daybreak Wednesday. The combination of light
snowfall and strong, gusty winds potentially up to 55 mph may
result in brief, significant visibility reductions.
A Wind Advisory has been issued for areas along and south of
Highway 30 from midnight tonight through 9 AM Wednesday morning.
The Winter Weather Advisory will continue through 9 AM Wednesday
morning due to the threat for light snow accumulations under one
inch and blowing/drifting snow is possible, especially in open and
rural areas.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
Strong northwest wind gusts of 45 to 55 mph are possible through
midday Wednesday.
There is a chance for light accumulating snow Thursday night and
again Saturday. There is potential for a few inches of new snow with
each round.
Windy conditions are expected Friday into Friday night as arctic
cold moves into the Midwest. Wind chills will approach and may
exceed 20 below zero across portions of the area Friday night and
especially Saturday night.
.SPOTTER INFORMATION STATEMENT...
Spotter reports of snow and ice amounts and impacts are very
appreciated.
$$
JTS
Hazardous Weather Outlook
National Weather Service Lincoln IL
251 PM CST Tue Dec 9 2025
ILZ027>031-036>038-041>046-053>057-063-102015-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Mason-
Logan-De Witt-Piatt-Champaign-Vermilion-Macon-Moultrie-Douglas-Coles-
Edgar-Clark-
251 PM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for central Illinois, east
central Illinois and west central Illinois.
.DAY ONE...Tonight.
West winds will increase sharply late tonight into early Wednesday
morning, with gusts approaching 50 mph west of I-55 by daybreak.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Northwest wind gusts to 50 mph are expected beginning early
Wednesday morning, resulting in difficult travel conditions for high
profile vehicles. Brief, localized visibility reductions are
possible (20-30% chance) in a band of snow Wednesday morning.
Accumulating snow is forecast Thursday evening into Friday morning.
There is a 20 to 40 percent chance for more than 2 inches of snow
near and north of a Macomb to Robinson line.
Another shot of Arctic air will arrive late this week, with wind
chills well below zero Friday, Saturday, and Sunday nights.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
319 PM EST Tue Dec 9 2025
LMZ844>849-102030-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
319 PM EST Tue Dec 9 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...This Afternoon and Tonight
Conditions will be hazardous to small craft today and southwest
gales are expected south of White Hall tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Northwest gales expected on Wednesday. Conditions will remain
hazardous to small craft Wednesday night through the weekend.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
319 PM EST Tue Dec 9 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-102030-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
319 PM EST Tue Dec 9 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...This Afternoon and Tonight
Snow will arrive this evening with travel conditions worsening
overnight. Areas along and south of I-96 are likely see
precipitation change to rain but icy patches will persist on
untreated roads.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Snow on Wednesday could cause slippery travel. Temperatures will
fall below freezing with icy patches on roads possible during the
evening.
Additional periods of light snow are likely through the weekend
and could cause impacts to travel. Wind chills on Saturday and
Sunday could approach 10 below zero.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
211 PM CST Tue Dec 9 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-102015-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
211 PM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Tonight
Gale force winds are expected across the southern third of the
lake mid-evening and overnight.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Gale force winds are expected across the southern two-thirds of
the lake Wednesday.
Additional gales may occur Friday into Saturday. Freezing spray
may develop with these late week gales, as a colder airmass
settles into the region.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
211 PM CST Tue Dec 9 2025
LMZ643>646-102015-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
211 PM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Tonight
Small Craft Advisory conditions return for this evening and
overnight, with gales returning during the early morning hours on
Wednesday
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Gales continue through Noon on Wednesday.
Additional rounds of gusty winds and high waves are expected
again late week into the weekend.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
211 PM CST Tue Dec 9 2025
WIZ046-047-051-052-056>060-062>072-102015-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
211 PM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
A Winter Weather Advisory is in effect for portions of southern
Wisconsin for snow accumulations as well as the potential for some
freezing rain and icing due to cold pavement temperatures. This
will bring impacts to travel this evening into early Wednesday
morning. Snow accumumlations will be greatest through Marquette,
Green Lake, Fond du Lac, and western Sheboygan Counties.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Additional rounds of snowfall are possible through the end of the
week, but confidence in timing is on the lower end.
An arctic airmass is expected this upcoming weekend, with wind
chills as cold as -15 to -25 for the overnight and early morning
hours.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
251 PM EST Tue Dec 9 2025
INZ005-008-009-012>015-017-018-020-022>027-032>034-103-104-116-203-
204-216-MIZ078-177-277-OHZ004-005-015-016-024-025-102000-
Elkhart-Noble-De Kalb-Starke-Pulaski-Marshall-Fulton IN-Whitley-
Allen IN-White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-
Blackford-Jay-Northern La Porte-Eastern St. Joseph IN-
Northern Kosciusko-Southern La Porte-Western St. Joseph IN-
Southern Kosciusko-Cass MI-Northern Berrien-Southern Berrien-
Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
251 PM EST Tue Dec 9 2025 /151 PM CST Tue Dec 9 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...This afternoon and tonight.
Gusty southwest winds up to 40 mph may lead to patchy blowing and
drifting snow in spots.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
A couple of quick moving systems bring chances for accumulating snow
Thursday night into Friday, and again later Saturday into Saturday
night.
Cold wind chill temperatures around zero to -15 degrees are expected
Saturday night and Sunday night.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
251 PM EST Tue Dec 9 2025
LMZ043-046-102000-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
251 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM EST
WEDNESDAY...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...This afternoon and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
Gale Warning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Gale Warning.
$$
